BR9913121B1 - processo para a remoÇço de impurezas orgÂnicas a partir de um licor de processo bayer. - Google Patents

processo para a remoÇço de impurezas orgÂnicas a partir de um licor de processo bayer.

Info

Publication number
BR9913121B1
BR9913121B1 BRPI9913121-8A BR9913121A BR9913121B1 BR 9913121 B1 BR9913121 B1 BR 9913121B1 BR 9913121 A BR9913121 A BR 9913121A BR 9913121 B1 BR9913121 B1 BR 9913121B1
Authority
BR
Brazil
Prior art keywords
removal
organic impurities
liquor
bayer
bayer process
Prior art date
Application number
BRPI9913121-8A
Other languages
English (en)
Portuguese (pt)
Other versions
BR9913121A (pt
Inventor
Steven Phillip Rosenberg
Wayne Tichbon
Steven James Healy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BR9913121A publication Critical patent/BR9913121A/pt
Publication of BR9913121B1 publication Critical patent/BR9913121B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
    • C01F7/0606—Making-up the alkali hydroxide solution from recycled spent liquor
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
    • C01F7/47—Purification of aluminium oxide, aluminium hydroxide or aluminates of aluminates, e.g. removal of compounds of Si, Fe, Ga or of organic compounds from Bayer process liquors
    • C01F7/473—Removal of organic compounds, e.g. sodium oxalate
    • C01F7/476—Removal of organic compounds, e.g. sodium oxalate by oxidation

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Paper (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
BRPI9913121-8A 1998-08-20 1999-08-20 processo para a remoÇço de impurezas orgÂnicas a partir de um licor de processo bayer. BR9913121B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPP5365A AUPP536598A0 (en) 1998-08-20 1998-08-20 Organic impurity removal process for bayer liquors
PCT/AU1999/000672 WO2000010918A1 (en) 1998-08-20 1999-08-20 Organic impurity removal process for bayer liquors

Publications (2)

Publication Number Publication Date
BR9913121A BR9913121A (pt) 2001-07-03
BR9913121B1 true BR9913121B1 (pt) 2008-11-18

Family

ID=3809594

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9913121-8A BR9913121B1 (pt) 1998-08-20 1999-08-20 processo para a remoÇço de impurezas orgÂnicas a partir de um licor de processo bayer.

Country Status (9)

Country Link
US (1) US6555077B1 (de)
EP (1) EP1109739B1 (de)
JP (1) JP3717406B2 (de)
AU (1) AUPP536598A0 (de)
BR (1) BR9913121B1 (de)
CA (1) CA2341225C (de)
DE (1) DE69941123D1 (de)
ES (1) ES2330064T3 (de)
WO (1) WO2000010918A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPR437001A0 (en) * 2001-04-11 2001-05-17 Worsley Alumina Pty Ltd Process for the removal of anionic impurities from caustic aluminate solutions
US7067106B2 (en) * 2003-06-30 2006-06-27 Nalco Company Aluminum hydroxide, made via the bayer process, with low organic carbon
WO2005016825A1 (en) * 2003-08-04 2005-02-24 Nalco Company Method for removing organic carbon from bayer process liquor
GB0524823D0 (en) * 2005-12-06 2006-01-11 Accentus Plc Removal of contaminants from a bayer liquor
EP2835356A1 (de) * 2013-08-08 2015-02-11 Obshtshestvo s orgranichennoy otvetstvennostyu "Mezhregionalnaya inzhenernaya ekotechnologicheskaya kompaniya" Verfahren zur umfassenden elektrochemische Behandlung von industriellen Abwässern und Anlage für die Behandlung
US11584657B2 (en) 2018-07-27 2023-02-21 Solenis Technologies, L.P. Systems and methods for alumina production
CN110790292A (zh) * 2019-11-22 2020-02-14 中铝中州铝业有限公司 一种氧化消除拜耳法粗液中硫化物的方法
CN111302371B (zh) * 2020-02-24 2021-07-20 中南大学 脱除铝酸钠溶液中有机物的方法
WO2022174005A1 (en) 2021-02-12 2022-08-18 Ecolab Usa Inc. Purification of bauxite ores using boronic acid-functional compounds
CN113149048B (zh) * 2021-03-26 2022-08-26 马朝扬 一种氧化铝生产过程中草酸钠固体废渣的处理方法
CN114920273B (zh) * 2022-07-06 2023-09-26 山东南山铝业股份有限公司 一种脱除铝酸钠溶液中中高分子量有机物的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1238280A (de) 1968-11-06 1971-07-07
FR2328660A1 (fr) * 1975-10-21 1977-05-20 Pechiney Aluminium Perfectionnement a l'epuration de solutions en circulation dans le cycle bayer
JPS5846450B2 (ja) * 1978-07-11 1983-10-17 昭和軽金属株式会社 バイヤ−循環液の処理方法
HU179404B (en) 1978-11-10 1982-10-28 Magyar Aluminium Process for decomposition of organic materials in aluminate liquor of alum earth-production according to the bayer method,and for separating solide decomposition products
IE851086L (en) 1984-05-03 1985-11-03 Du Pont Uk Removal of organics from bayer process streams
DE3512404A1 (de) * 1985-04-04 1986-10-09 Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn Verfahren zur verminderung der organischen bestandteile in aluminatlaugen
US4663133A (en) * 1985-09-06 1987-05-05 Kaiser Aluminum & Chemical Corporation Removal of high molecular weight organic compounds from Bayer process caustic liquor
JPH0610084B2 (ja) 1990-02-05 1994-02-09 昭和電工株式会社 バイヤー工程循環液中の炭素化合物除去法
AU663733B2 (en) 1991-10-14 1995-10-19 Broken Hill Proprietary Company Limited, The Bayer liquor treatment
AU673306B2 (en) 1994-05-30 1996-10-31 Bhp Billiton Worsley Alumina Pty Ltd Removal of impurities in Bayer process
US5728180A (en) 1996-06-25 1998-03-17 Aluminum Company Of America Adsorbent combinations for enhanced removal of sodium oxalate from bayer process spent liquor

Also Published As

Publication number Publication date
JP2002523325A (ja) 2002-07-30
EP1109739B1 (de) 2009-07-15
DE69941123D1 (de) 2009-08-27
CA2341225A1 (en) 2000-03-02
AUPP536598A0 (en) 1998-09-10
JP3717406B2 (ja) 2005-11-16
WO2000010918A1 (en) 2000-03-02
EP1109739A4 (de) 2005-09-07
EP1109739A1 (de) 2001-06-27
ES2330064T3 (es) 2009-12-03
CA2341225C (en) 2004-10-26
US6555077B1 (en) 2003-04-29
BR9913121A (pt) 2001-07-03

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 20/08/1999, OBSERVADAS AS CONDICOES LEGAIS.

B25D Requested change of name of applicant approved

Owner name: BHP BILLITON WORSLEY ALUNINA PTY LTD. (AU)

Free format text: NOME ALTERADO DE: WORSLEY ALUMINA PTY LTD.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 15A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2267 DE 17-06-2014 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.